Marinated Green Bean Salad

From https://www.thecountrycook.net/marinated-green-bean-salad/?utm_source=whisk&utm_medium=android&utm_campaign=marinated_green_bean_salad#recipe

Good

% Daily Values based on a 2,000 calorie diet

Step 1

Place 2 pounds trimmed fresh green beans in a large stock pot. Cover the green beans with water 2 inches above the beans. Place on the stove over high heat, and bring to a boil. Once at a boil, lower the heat to medium and simmer for 5 minutes. Strain and set aside.

Step 2

In a large bowl whisk together ⅓ cup olive oil, 3 Tablespoons red wine vinegar, 4 cloves garlic, minced, 1 Tablespoon dijon mustard, 2 ½ teaspoons kosher salt and ¼ teaspoon black pepper.

Step 3

Add the warm green beans and 1 small red onion, thinly sliced, toss to coat. Cover with plastic wrap and place in the refrigerator to chill for 4 hours or longer if you can.

Step 4

Before serving add 1 pint cherry tomatoes, cut in half and ¼ cup grated parmesan cheese.